26
Alarms and Limits
Adjusting Volume and Alarm Limits
Follow the instructions below to review, set, or adjust volumes and alarm limits while
operating the Avant 4000 System.
Do not use these instructions to store adjusted
limits.
For more information about permanently storing adjusted settings, refer to
“Default Settings.”
IMPORTANT! Alarm limits reset themselves to default values each time the
unit is powered up.
Reviewing, Setting, or Adjusting SpO
2
and/or Pulse Alarm Limits
1.
Ensure that the display unit is on.
2.
Press the Alarm Limits button.
• Notice that the upper round LED is illuminated to the left of the Alarm
Limits button. This indicates the upper alarm limit, while the lower LED
indicates the lower alarm limit.
• Notice that the current setting appears in the %SpO
2
display.
• Continue to press the Alarm Limits button until the alarm limit you want to
adjust is displayed.
• The Alarm Limits button can also be cycled to exit Set/Change mode, or
Set/Change mode will exit automatically after ten seconds with no activity.
3.
Ensure that the appropriate upper or lower Alarm Limit LED is illuminated,
and that the alarm limit you want to change is displayed.
4.
Press the Plus (+) or Minus (-) buttons to adjust the values as desired. Once
adjusted, Set/Change mode will exit automatically after ten seconds with no
activity, and the new limits will be active.
Reviewing, Setting, or Adjusting Pulse and/or Alarm Volumes
1.
Ensure that the display unit is on.
2.
Press the Volume button once to change the alarm volume, or twice to change
the pulse volume.
• After pressing the Volume button once, notice that the Alarm Volume LED
appears, and the current setting appears in the Pulse Rate display area.
• After pressing the Volume button twice, notice that the Pulse Volume LED
appears, and the current setting appears in the Pulse Rate display area.
• The Volume button can also be cycled to exit Set/Change mode, or Set/
Change mode will exit automatically after ten seconds with no activity.
3.
Use the Plus (+) or Minus (-) buttons to adjust the alarm or pulse volumes as
desired. Once adjusted, Set/Change mode will exit automatically after ten
seconds with no activity, and the new limits will be active.
